This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Marking Machines, Laundry; Printing Machine, Labor, Printing Press, Label; Embossing Machines, Office Type; and Marking Machines, Office Type.
Marking machines which make permanent indentations in metal are classified in group 34.
Possible NAICS Codes
333517 – Machine Tool Manufacturing
423830 – Industrial Machinery and Equipment Merchant Wholesalers
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
333244 – Printing Machinery and Equipment Manufacturing
337214 – Office Furniture (except Wood) Manufacturing
333249 – Other Industrial Machinery Manufacturing
334118 – Computer Terminal and Other Computer Peripheral Equipment Manufacturing
333519 – Rolling Mill and Other Metalworking Machinery Manufacturing
339940 – Office Supplies (except Paper) Manufacturing
333999 – All Other Miscellaneous General Purpose Machinery Manufacturing